Tooth brush
A tooth brush includes body (18), neck (17), head (16), and bristles (15) at two opposite side of said head pointing opposite away from each other. Said head has plurality of through-all hole (12) for bristle insertion. The middle portion of said through-all hole has smaller diameter compare to entrance. Said head is tapered toward the end. Said bristles are trimmed such that they are tapered toward the end of said head.
Not Applicable
FEDERALLY SPONSORED RESEARCHNot Applicable
SEQUENCE LISTING OR PROGRAMNot Applicable
BACKGROUND OF THE INVENTION1. Field of Invention
This invention is related to a new tooth brush having bristles at the head pointing opposite away from each other, allow user to brush the upper part and lower part of their teeth at the same time.
2. Prior Art
There are many varieties of tooth brush today, but they all have one commonality, that is they all have their bristles pointing at one side. In order for a user to brush the upper part and the lower part of their teeth at the back, they have to do the task separately by turning their tooth brush 180 degrees in order to point the bristles upward or downward.
3. Objects and Advantages
My invention is a new type of tooth brush, allow user to brush their upper part and lower part of their teeth at the same time without having to turn their tooth brush 180 degrees. The objects and advantages of my invention are:
1. user can brush their teeth in less time,
2. more bristle means more stuff to put to work on the same tool,
3. more bristle means it takes longer for wear and tear for doing the same cleaning job, and
4. it all comes downs to time and money saving for consumers.
SUMMARYA tooth brush having bristles at two sides of the head, pointing oppose away from each other. The head of the tooth brush has plurality of through-all hole 12 for bristles insertion, and the middle portion of said through-all holes is smaller than the opening ends. The head and bristles are tapered toward the end of the tooth brush.
12. through-all hole on the head 16 of tooth brush, for bristle insertion
15. bristles
16. head
17. neck
18. body or handle
DETAILED DESCRIPTION—FIGS. 1, 2, 3a, AND 3b—FIRST EMBODIMENTThe tooth brush shown in
The section view of
The length of head 16 is about 33 millimeters; the width of said head is about 13 millimeters; the thinnest part of said head is about 4 millimeters; the thickest part of said head is about 5 millimeters; the shortest bristle from said head is about 5 millimeters and longest bristle from said head is about 6 millimeters.
CONCLUSION, RAMIFICATIONS, AND SCOPEWhile the above description contains many specificities, these should not be construed as limitations on the scope of the invention, but as exemplification of the presently preferred embodiments thereof. Many other ramifications and variations are possible within the teachings of the invention. For example, bristles 15 can be trimmed in many other shapes, such as, parallel to each other, or sawtooth shape; the length of said bristles can varies depends on whether the brush is designed for use by an adult or use by kids and depends on the thickness of head 16; holes on two sides of head 16 dose not have to be through-all, the shape of the through-all hole dose not have to be symmetrical as it shown in
Claims
1. A tooth brush for cleaning upper and lower part of the teeth at the same time comprising: whereby, user can hold said body as handle to put said head in between their upper teeth and their lower teeth and use said bristles to brush said upper and said lower teeth at the same time, without having to turn said bristles 180 degrees.
- (a) body,
- (b) head having plurality of through all holes, and
- (c) bristles inserted into said through all holes, middle portion of said bristles are tightly secured by said holes, two ends of said bristles sandwiching said head, pointing in opposite direction away from said head, and,
2. The tooth brush of claim 1 wherein said head has plurality of through all holes for said bristle insertion.
3. The tooth brush of claim 1 wherein said middle portion of said through all hole is smaller than said hole's entrance.
4. The tooth brush of claim 1 wherein said head become thinner toward the tip.
5. The tooth brush of claim 1 wherein said bristles are trimmed so as they become shorter as they get closer to the tip of said head.
6. The tooth brush of claim 1 wherein said bristles at two opposite of side of said head are trimmed parallel to each other.
7. The tooth brush of claim 1 wherein said bristles at two opposite of said head are mirror image of each other.
8. The tooth brush of claim 1 wherein said bristles at two opposite of said head are not mirror image of each other.
9. The tooth brush of claim 1 wherein said bristles are trimmed in sawtooth shape.
10. A tooth brush for cleaning upper and lower part of the teeth at the same time comprising: whereby, user can hold the body as handle and put said head into their mouth using said bristles to brush their upper part and their lower part of their teeth at the same time, without having to turn said bristles 180 degrees.
- (a) body
- (b) head having plurality of holes at two opposite sides, and
- (c) bristles are inserted into said holes having their ends pointing away from each other at two opposite directions, and said bristles sandwiching said head,
Type: Application
Filed: Mar 17, 2009
Publication Date: Sep 23, 2010
Inventor: Xiao-Ming Deng (Flushing, NY)
Application Number: 12/381,787
International Classification: A46B 9/04 (20060101);